diff --git a/test/Project.toml b/test/Project.toml
index a5276eec5..f54689403 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -20,7 +20,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 [compat]
 AbstractMCMC = "2.1"
 AbstractPPL = "0.1.2"
-Bijectors = "0.8.2"
+Bijectors = "0.8.2, 0.9"
 Distributions = "0.24"
 DistributionsAD = "0.6.3"
 Documenter = "0.26.1"